Available in 3ds Max 2011 and higher.
<adsk_mrStoreElements>.main_label: string
<adsk_mrStoreElements>.apply_render_elements: boolean
<adsk_mrStoreElements>.inputs: paramBlock2 array
<adsk_mrStoreElements>.input: fRGBA color
<adsk_mrStoreElements>.label: string
<adsk_mrStoreElements>.mr_element: integer
<adsk_mrStoreElements>.max_element: integer
<adsk_mrStoreElements>.main_input_connected: boolean
<adsk_mrStoreElements>.main_input_shader: texturemap
<adsk_mrStoreElements>.main_input_paramName: string
<adsk_mrStoreElements>.main_label_connected: boolean
<adsk_mrStoreElements>.main_label_shader: texturemap
<adsk_mrStoreElements>.main_label_paramName: string
<adsk_mrStoreElements>.apply_render_elements_connected: boolean
<adsk_mrStoreElements>.apply_render_elements_shader: texturemap
<adsk_mrStoreElements>.apply_render_elements_paramName: string
<adsk_mrStoreElements>.TheList: maxObject array
<adsk_mrStoreElements>.Shader_Version: integer